JSFiddle - React, Tailwind, and code Playground

by Abruzzi Hraig

HTML

<div class="outer">
    <div class="inner"></div>
</div>

CSS

.outer {
    display: inline-block;
    height: 200px;
    background: #666;
}
.inner {
    width: 300px;
    height: 100px;
    margin: 0;
    background: red;
    opacity: 0.7;
}